org.mozilla.javascript
Class UintMap

java.lang.Object
  org.mozilla.javascript.UintMap

All Implemented Interfaces:

java.io.Serializable

public class UintMap
extends java.lang.Object
implements java.io.Serializable

Map to associate non-negative integers to objects or integers. The map does not synchronize any of its operation, so either use it from a single thread or do own synchronization or perform all mutation operations on one thread before passing the map to others.

Author:

Igor Bukanov

See Also:

Serialized Form

Constructor Summary

UintMap()

UintMap(int initialCapacity)

Method Summary

void	clear()
int	getExistingInt(int key) Get integer value assigned with key.
int	getInt(int key, int defaultValue) Get integer value assigned with key.
int[]	getKeys() Return array of present keys
java.lang.Object	getObject(int key) Get object value assigned with key.
boolean	has(int key)
boolean	isEmpty()
void	put(int key, int value) Set int value of the key.
void	put(int key, java.lang.Object value) Set object value of the key.
void	remove(int key)
int	size()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UintMap

public UintMap()

UintMap

public UintMap(int initialCapacity)

Method Detail

isEmpty

public boolean isEmpty()

size

public int size()

has

public boolean has(int key)

getObject

public java.lang.Object getObject(int key)

Get object value assigned with key.

Returns:

key object value or null if key is absent

getInt

public int getInt(int key,
                  int defaultValue)

Get integer value assigned with key.

Returns:

key integer value or defaultValue if key is absent

getExistingInt

public int getExistingInt(int key)

Get integer value assigned with key.

Returns:

key integer value or defaultValue if key does not exist or does not have int value

Throws:

java.lang.RuntimeException - if key does not exist

put

public void put(int key,
                java.lang.Object value)

Set object value of the key. If key does not exist, also set its int value to 0.

put

public void put(int key,
                int value)

Set int value of the key. If key does not exist, also set its object value to null.

remove

public void remove(int key)

clear

public void clear()

getKeys

public int[] getKeys()

Return array of present keys